#include <iostream>
#include <vector>

using namespace std;

class Line
{
    Line() {}
    ~Line() {}
};

int main(int argc, char* argv[])
{
    cout << "sizeof(Line) = " << sizeof(Line) << endl;
    
    vector<int> v1;
    vector<double> v2;
    vector<char> v3;
    vector<vector<int>> v4;
    vector<int> v5 = {1, 2, 3, 4, 5, 6, 7, 8, 9};
    cout << "sizeof(v1) = " << sizeof(v1) << endl;
    cout << "sizeof(v2) = " << sizeof(v2) << endl;
    cout << "sizeof(v3) = " << sizeof(v3) << endl;
    cout << "sizeof(v4) = " << sizeof(v4) << endl;
    cout << "sizeof(v5) = " << sizeof(v5) << endl;
    
    return 0;
}